silverstripe-subsites/code/SubsiteXHRController.php

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<?php
/**
* Section-agnostic PJAX controller.
*/
class SubsiteXHRController extends LeftAndMain {
/**
* Relax the access permissions, so anyone who has access to any CMS subsite can access this controller.
*/
public function canView($member = null) {
if (parent::canView()) return true;
if (Subsite::all_accessible_sites()->count()>0) return true;
return false;
}
/**
* Similar as above, but for the LeftAndMainSubsites - allow access if user allowed into the CMS at all.
*/
public function canAccess() {
if (Subsite::all_accessible_sites()->count()>0) return true;
}
public function getResponseNegotiator() {
$negotiator = parent::getResponseNegotiator();
$self = $this;
// Register a new callback
$negotiator->setCallback('SubsiteList', function() use(&$self) {
return $self->SubsiteList();
});
return $negotiator;
}
/**
* Provide the list of available subsites as a cms-section-agnostic PJAX handler.
*/
public function SubsiteList() {
return $this->renderWith('SubsiteList');
}
}